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// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

package org.apache.doris.datasource;

/**
 * MetaObjCache caches and manages all meta objects fetched from external datasource.
 * So that we don't need to get meta objects every time.
 */
public class MetaObjCache {
    private static class SingletonHolder {
        private static final MetaObjCache INSTANCE = new MetaObjCache();
    }

    public static MetaObjCache get() {
        return SingletonHolder.INSTANCE;
    }
}
